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Phone Samsung Transform Samsung Knack U310 LG CG300 Samsung Galaxy S21 Nokia Lumia 810
Current U.S. Carriers (none) (none) (none) Verizon (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
2.2" diag.
4 : 3
? 6.2" diag.
20 : 9
4.3" diag.
5 : 3
Display Resolution & Type 320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
1080 x 2400 pixels
(~424 ppi)
AMOLED
480 x 800 pixels
(~217 ppi)
AMOLED
Display Refresh 60 Hz ? ? 120 Hz ?
Battery 1,500 mAh 1,000 mAh 1,000 mAh 4,000 mAh 1,800 mAh
Processor 800 MHz Samsung S3C6410, Qualcomm QSC6085 ? ? 2.8 GHz Qualcomm Snapdragon 888 1.5 GHz Qualcomm Snapdragon
RAM ? ? ? 8 GB 1 GB
Storage ? raw hardware ? raw hardware ? raw hardware 128 GB * 8 GB
Main Camera 3 megapixel - Yes 12 megapixel 8 megapixel
Wide Camera - - - 12 megapixel -
Tele Camera - - - 64 megapixel -
Video Capture QVGA (320 x 240) - - 8K 1080p HD
Front Camera Yes - - 10 megapixel 1 megapixel
Weight 5.37 oz
(152g)
3.63 oz
(103g)
3.4 oz
(96g)
6.03 oz
(171g)
5.11 oz
(145g)
Dimensions 4.61" x 2.42" x 0.61"
(117 x 61 x 15.5 mm)
3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
3.58" x 1.9" x 0.94"
(91 x 48 x 23.9 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
5" x 2.69" x 0.44"
(127 x 68 x 11.2 mm)
Form Factor Slide Clamshell Clamshell Slab Slab
Platform / OS Android (proprietary) (proprietary) Android Windows
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA - GPRS NR (5G) HSPA+ 42
Features 
Barometer - - - Yes -
Fingerprint Reader - - - Yes
in-display (ultrasonic)
-
Flashlight - - - Yes -
GPS / Location n/a Yes - n/a n/a
Water-Resistant - - - Yes
IPX8 (SCUBA)
-
Accessibility
Adjustable Text Size n/a Yes - n/a n/a
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Multiple Languages n/a Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes Yes - -
Connectivity
Bluetooth Yes - Yes Yes Yes
Mobile Hotspot n/a - - n/a n/a
NFC - - - Yes Yes
USB Yes
Micro-USB
- - Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
- - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID n/a - Yes n/a n/a
Ringer ID n/a - Yes n/a n/a
Voice Dialing n/a Yes - n/a n/a
Customization
Custom Graphics n/a - Yes n/a n/a
Custom Ringtones n/a - Yes n/a n/a
Real-Music Ringers n/a - Yes n/a n/a
Data & Network
Data Tethering n/a - Yes n/a n/a
WAP / Web Browser n/a - Yes n/a n/a
Input
Predictive Text Entry n/a Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes
Capacitive
- - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client n/a - Yes n/a n/a
EMS / Picture Messaging n/a Yes Yes n/a n/a
Instant Messaging n/a - Yes n/a n/a
MMS n/a - Yes n/a n/a
Text Messaging Templates n/a - Yes n/a n/a
Music
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a - - n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
TV Output - - - Yes -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes Yes
Productivity
Alarm n/a Yes Yes n/a n/a
Calculator n/a Yes Yes n/a n/a
Calendar n/a Yes Yes n/a n/a
Voice Memo n/a - Yes n/a n/a
Software
Games n/a - Yes n/a n/a
Java (J2ME) n/a - Yes n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) n/a Yes Yes n/a n/a
Push-To-Talk - - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Transform Samsung Knack U310 LG CG300 Samsung Galaxy S21 Nokia Lumia 810
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Transform Samsung Knack U310 LG CG300 Samsung Galaxy S21 Nokia Lumia 810

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